PPCCOnline CAMPUS BI0111133 Gen College Biology I/Lab: SC1 (Jennifer Wa Comn D)

Question

PPCCOnline CAMPUS BI0111133 Gen College Biology I/Lab: SC1 (Jennifer Wa Comn D) placed in iodine solution ) View Feedback Question 7 If a dialysis bag containing 1% sucrose is placed in a beaker containing 25% sucrose, what would you expect to happen? (hint: only water can move in and out os the bag through osmosis, sucrose is too large; this is a hypertonic environment) A) there will be a loss in weight of the bag due to water leaving the bag B) the weight of the bag will remain the same, with water moving in both directions equally C) there will be a gain in weight of the bag due to water moving into the bag D) sucrose will break down and will move into the bag, increasing the weight of the bag View Feedback Question 8 If a dialysis bag containing 1% sucrose is put into a beaker containing 1% sucrose A) sucrose will break down and move out of the bag, causing an decrease in the weight of the bag. o search

Explanation / Answer

Osmosis is a process where the water moves from a region of higher water potential to a region of lower water potential when separated by a membrane .

In this case also higher water potential is inside the bag and outside there is more % of sucrose rather than inside hence making it hypertonic solution Hence the water moves out from the bag from inside to outside resulting in the loss of weight of the bag..!!

The correct option is option (A)..

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